Home / 1,555,011.81-2,332,359.99-417,626.19

Finding the Fourth Proportional to 1,555,011.81, 2,332,359.99 and 417,626.19

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Solution

The fourth proportional to 1,555,011.81, 2,332,359.99 and 417,626.19 is: 626,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,011.81 : 2,332,359.99 = 417,626.19 : x
  2. Step 2: Convert to fraction form
    1,555,011.81/2,332,359.99 = 417,626.19/x
  3. Step 3: Cross multiply
    1,555,011.81x = 2,332,359.99 × 417,626.19
  4. Step 4: Simplify right side
    1,555,011.81x = 974,054,616,332.14
  5. Step 5: Solve for x
    x = 974,054,616,332.14/1,555,011.81
  6. Step 6: Final answer
    x = 626,396.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.